There seems to be some confusion as to exactly what is happening so let's take this step by step:
you could hide a column by highlighting the column, right clicking and selecting hide.
Okay, that is true on all versions of Excel. So you mentioned that you are trying to hide multiple columns. You are selecting the entire column, then right clicking on that same column.
In the latest version that function seems to be missing.
When you right click on the column, the "Hide" option is not there or it is grayed out?
When hide is selected, the entire worksheet disappears.
If the option is not available, where are you selecting "Hide" from?
Here's where "Hide" appears.1. When you right click on a row or column which is completely selected, it appears in the menu to hide the row or column
2. When you right click on the tab, it appears in the menu to hide to worksheet.
3. On the View Tab in the Ribbon, there are options to Hide and Unhide which Hides or unhides entire workbooks
As Jeff pointed out, the Hide function will be grayed out if the worksheet is protected.
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